private static void WinEventProc_start(IntPtr hWinEventHook_start, uint eventType, IntPtr hwnd, int idObject, int idChild, uint dwEventThread, uint dwmsEventTime)
{
if (idObject != 0 || idChild != 0)
{
return;
}
//specifically looking for spotify via hwnd_spotify
//across all process(hwnd).
if (!psi.isSpotifyAvailable() || hwnd.ToInt32() != psi.getSpotifyWindowHandle().ToInt32())
{
return;
}
//Console.WriteLine("checking hwnd");
if (eventType != EVENT_OBJECT_CREATE)
{
return;
}
//Console.WriteLine("create event");
if (SetWinEventHook(0x0800c, 0x800c, IntPtr.Zero, procDelegate, Convert.ToUInt32(psi.getSpotifyPID()), 0, 0) ==
IntPtr.Zero)
{
throw new Exception($"SetWinEventHook failed with{Marshal.GetLastWin32Error()}");
}
}
//Constructor for NameChangeTracker
public NameChangeTracker(ToastForm myForm)
{
NameChangeTracker.myForm = myForm;
psi = new ProcessInformation();
tmd = new TrackMetadata();
notify = new Notify();
//Console.WriteLine(psi.getSpotifyPID());
// Listen for name change changes for spotify(check pid!=0).
hWinEventHook = SetWinEventHook(0x0800c, 0x800c, IntPtr.Zero, procDelegate, Convert.ToUInt32(psi.getSpotifyPID()), 0, 0);
// Listen for create window event across all processes/threads on current desktop.(check pid=0)
hWinEventHook_start = SetWinEventHook(0x00008000, 0x00008000, IntPtr.Zero, procDelegate_start, 0, 0, 0);
}